ITEM NAME:Capacitive LJ TTP223 Touch Switch Digital Touch Sensor Module For Arduino 3C Description: 100% brand new and high quality Onboard TTP223 touch capacitive touch sensor IC On-board-level status indicator Working voltage: 2.0V-5.5V PCB board size: 29 (mm) x16 (mm) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!.Onboard TTP223 touch capacitive touch sensor IC. On-board-level status indicator. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. PCB board size: 29 (mm) x16 (mm).